/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */

package controllers.admin;

import daos.CategoryDAO;
import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import models.Category;
import util.WebConst;

/**
 *
 * @author trietto
 */
public class AdminShoppingCartServlet extends HttpServlet {
   
    /** 
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        String jsp = "/BookStoreWeb/Admin/AdminCategoryView.jsp";
        PrintWriter out = response.getWriter();
        try {
           String action = request.getParameter("action");
           if(action!=null&&action.length()>0){
               String name = request.getParameter("txtName");
               String sCatId = request.getParameter("categoryid");
               int categoryId = (sCatId!=null&&sCatId.length()>0)?Integer.parseInt(sCatId):0;

                if(WebConst.ACTION_CREATE.equals(action)){
                    if(name!=null&&name.length()>0){
                        CategoryDAO.singleton().insert(new Category(0, name));
                    }
                }else if(WebConst.ACTION_UPDATE.equals(action)){
                    if(name!=null&&name.length()>0&&categoryId>0){
                        CategoryDAO.singleton().update(new Category(categoryId, name));
                    }
                }else if(WebConst.ACTION_DELETE.equals(action)){
                    if(categoryId>0){
                        CategoryDAO.singleton().delete(categoryId);
                    }
                }
           }
           response.sendRedirect(jsp);
        } finally { 
            out.close();
        }
    } 

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /** 
     * Handles the HTTP <code>GET</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
        processRequest(request, response);
    } 

    /** 
     * Handles the HTTP <code>POST</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Returns a short description of the servlet.
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>

}
